Question : A cuboid of size 50 cm by 40 cm by 30 cm is cut into 8 identical parts by 3 cuts. What is the total surface area (in cm²) of all eight parts?

Option 1: 11750

Option 2: 14100

Option 3: 18800

Option 4: 23500

Question : Volume of a cuboid is 4,800 cm³. If the height of this cuboid is 20 cm, then what will be the area of the base of the cuboid?

Option 1: 150 cm²

Option 2: 240 cm²

Option 3: 480 cm²

Option 4: 120 cm²

Question : The curved surface area of a solid hemisphere is 22 cm². What is the total surface area of the hemisphere? (use $\pi=\frac{22}{7}$)

Option 1: 66 cm²

Option 2: 44 cm²

Option 3: 33 cm²

Option 4: 30 cm²

Question : The sum of the length, breadth, and height of a cuboid is 20 cm. If the length of the diagonal is 12 cm, then find the total surface area of the cuboid.

Option 1: 364 cm²

Option 2: 256 cm²

Option 3: 356 cm²

Option 4: 264 cm²

Question : The volume of a cylinder is 4312 cm³. Its curved surface area is one-third of its total surface area. Its curved surface area (in cm²) is:
(Take $\pi=\frac{22}{7}$ )

Option 1: 572 cm²

Option 2: 528 cm²

Option 3: 660 cm²

Option 4: 616 cm²

Question : Three cubes of equal volume are joined end to end. Find the surface area of the resulting cuboid if the diagonal of the cube is $6 \sqrt{3} \mathrm{~cm}$.

Option 1: 509 cm²

Option 2: 504 cm²

Option 3: 516 cm²

Option 4: 512 cm²